19 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... #NodularPattern
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... mm) nodules • Diffusely ... hematogenous spread of a disease ... process or (rarely) diffuse ... PulmPEEPs #Miliary #Pattern
An Approach to Acute Dyspnea - Diagnostic Framework

From the HPI, PMH, vitals, focused physical exam (e.g.
exams), and the chest ... one of 8 basic patterns ... Dyspnea #Acute #Workup ... #Algorithm #Diagnosis
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... result of air space disease ... interstitial lung disease ... in ground glass pattern ... Radiology #Pulmonary #CTChest
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
as dominant pattern ... of the possible patterns ... relatively uniform pattern ... collagen vascular diseases ... Clinical #Radiology #CTChest
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... thromboembolic disease ... confluent, HRCT shows diffuse ... Clinical #Radiology #CTChest ... #GGO #MosaicAttenuation
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... planopilaris Pattern ... Secondary to Skin Disease ... Differential #Diagnosis #Algorithm
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
pattern, irregular ... lower lung zone, GGO ... other processes Workup ... strep, HIV • CTD workup ... Pulmonary lymphoma, Diffuse
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... mononeuritis multiplex WORKUP ... hemorrhage (DAH) • Diffuse ... • IF staining patterns